Usually an upper class college student who is attempting to rebel. They are usually vegetarian which causes them to be skinny pale and sickly. They are also usually seen sporting MAC computers and VW beetles with pollyphonics spree blaring in the radio. They claim to be environmentalist but tend to just be mental. They enjoy pushing their crazy beliefs on people, not for the planets sake but to make everyone as miserable as they are. also see hippie

"I dont eat meat, meat is murder"
"I'll show you murder you tree hugging twit now take your 75 pound boney protein deficient hairy ass get back in your dads BMW and go find another piontless cause to adopt for the week"

someone who loves the environment and believes it needs to be protected for the benefit of ourselves and future generations to come. Typically described as hippies. Often characterized by eating organic goods, natural fibre clothing, not consumption of meat, a general liking and respect for the environment.

The treehuggers from Greenpeace were all there protesting the rights of the environment.

Individual that plants trees and will not cut them down where they are not indigenous, especially in Western United States. This results in disastrous forest fires that, ironically, burns down the tree huggers home. Enraged by this, tree hugger then torches large SUV's in car lots, releasing incredible amounts of toxins into the atmosphere. Can usually be found in upscale coffee bars and protesting at world economic summits.

Bob loved junk science because it went hand in hand with being a tree hugger.